[Buildroot] ext2+isofs initrd too big

[Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>]

On Sun, Oct 19, 2008 at 12:00:13PM +0200, Roberto A. Foglietta wrote:
>2008/10/19 Roberto A. Foglietta <roberto.foglietta@gmail.com>:
>> 2008/10/18 Roberto A. Foglietta <roberto.foglietta@gmail.com>:
>>> 2008/10/18 Roberto A. Foglietta <roberto.foglietta@gmail.com>:
>>>> Hi,
>>>>
>>>>  using buildroot I have compiled a system which is big enough to not
>>>> fit in the initrd image (default size is 4Mb but could be enlarged by
>>>> kernel .config). Attached patch prepare a initrd of 16Mb and I can
>>>> enlarge it more in order to put all my system inside. However this is
>>>> not the best solution because has no future itself, initrd image could
>>>> not enlarged forever.
>>>
>>>  _Attached patch_ forgot, until now
>>>
>>
>>
>>  a) stripping modules (previous patch was wrong, see below)
>>
>>  Using strip on .ko does not work at all without --strip-unneeded.
>>
>>  http://mailman.uclinux.org/pipermail/uclinux-dev/2007-January/041616.html
>>
>>  strip -R  .comment -R .note -g --strip-unneeded
>>
>
> Stripping modules belong to the kernel Makefile.in and Makefile.in.advanced
>
> Declaring INSTALL_MOD_STRIP=1 in modules_install should be enough,
>however find,xargs,strip has been added also.
>
> Ciao,
>-- 
>/roberto


> linux26-modules: cross-depmod26 $(LINUX26_DIR)/.modules_installed
>+	find $(TARGET_DIR)/lib/modules/$(LINUX26_VERSION) -name \*.ko | xargs strip -R .comment -R .note -g --strip-unneeded

This is wrong. Proper thing to do is $(STIPCMD) $(STRIP_STRIP_UNNEEDED)